Injustice is relatively easy to bear; what stings is justice.
不公正相对容易忍受；真正刺痛人的是公正。
Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.
Innovation is the ability to see change as an opportunity, not a threat.
The world is full of stories, but only a few are worth telling.
要记住，人之所以走入迷途，并不是由于他的无知，而是由于他自以为知。
"There is only one real sin, and that is to persuade oneself that the second-best is anything but the second-best."